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2104075 = 5284163
BaseRepresentation
bin1000000001101100001011
310221220020201
420001230023
51014312300
6113033031
723612221
oct10015413
93856221
102104075
111207906
12855777
1358891c
143cab11
152b866a
hex201b0b

2104075 has 6 divisors (see below), whose sum is σ = 2609084. Its totient is φ = 1683240.

The previous prime is 2104061. The next prime is 2104087. The reversal of 2104075 is 5704012.

It is a de Polignac number, because none of the positive numbers 2k-2104075 is a prime.

It is a Duffinian number.

2104075 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42057 + ... + 42106.

22104075 is an apocalyptic number.

2104075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2104075 is a deficient number, since it is larger than the sum of its proper divisors (505009).

2104075 is an equidigital number, since it uses as much as digits as its factorization.

2104075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84173 (or 84168 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2104075 is about 1450.5430017755. The cubic root of 2104075 is about 128.1406940918.

Adding to 2104075 its reverse (5704012), we get a palindrome (7808087).

It can be divided in two parts, 21040 and 75, that added together give a triangular number (21115 = T205).

The spelling of 2104075 in words is "two million, one hundred four thousand, seventy-five".

Divisors: 1 5 25 84163 420815 2104075